AZ150 Galvalume Color Steel Sheet
Discover the superior performance and aesthetic appeal of the AZ150 Galvalume Color Steel Sheet. This high-grade product is engineered for demanding applications where durability, weather resistance, and long-term value are paramount. Manufactured using a high-quality steel substrate hot-dip coated with an aluminum-zinc alloy (AZ150), this sheet offers exceptional protection against corrosion, outperforming traditional galvanized steel in many environments. The subsequent application of a durable color coating through processes akin to those used for a PPGI Color Coated Roofing Sheet provides a robust, visually appealing finish available in a wide spectrum of standard and custom colors. Its versatility makes it suitable for various profiles, including popular options like Trapezoidal Color Steel Roofing and Corrugated Color Coated Steel Sheet. For projects seeking a modern, non-reflective aesthetic, the material can also be processed to achieve a sophisticated Matt Finish Color Steel Tile look. This combination of advanced metallic coating and premium paint system delivers a comprehensive roofing and cladding solution built to last.
The AZ150 Galvalume Color Steel Sheet is defined by its precise technical specifications, which guarantee consistent quality and performance. The core material begins with a cold-rolled steel substrate, which is then continuously hot-dip coated with a 150 g/m² aluminum-zinc alloy (AZ150). This specific coating composition—55% aluminum, 43.4% zinc, and 1.6% silicon—provides a unique combination of barrier and sacrificial protection. The sheet is then coated with a high-performance paint system, typically consisting of a primer, a polyester or PVDF topcoat, and a protective back coat. Below are the detailed product parameters presented for clarity.
Key Specifications
- Base Material: Cold-rolled steel
- Metallic Coating: AZ150 (150g/m² Al-Zn alloy coating mass)
- Coating Composition: 55% Aluminum, 43.4% Zinc, 1.6% Silicon
- Paint Coating: Primer + Polyester/PVDF Topcoat + Back Coat
- Standard Thickness: 0.3mm - 1.2mm
- Standard Width: 600mm - 1250mm
- Surface Finish: Glossy, Matte, or Embossed
| Property | Standard / Value | Test Method |
|---|---|---|
| Tensile Strength | 280 MPa - 550 MPa | ASTM A370 |
| Yield Strength | 140 MPa (Min) | ASTM A370 |
| Elongation | ≥ 18% | ASTM A370 |
| Salt Spray Resistance | ≥ 1000 hours (red rust) | ASTM B117 |
| Color Coating Adhesion | 0-1 Grade (T-Bend Test) | ASTM D4145 |
| Coating Thickness (Paint) | Top: 20-25μm, Back: 5-10μm | ISO 2808 |
| Gloss Level | 10% - 80% (at 60°) | ASTM D523 |
These specifications ensure that every AZ150 Galvalume Color Steel Sheet provides excellent formability for creating diverse profiles, high resistance to chalking and fading from UV exposure, and superior protection against corrosion in coastal and industrial atmospheres. The product's thermal reflectivity also contributes to improved energy efficiency in buildings.
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